<template>
  <div class="">
    <svg-icon
      id="guide-full"
      :icon="isFullscreen ? 'exit-fullscreen' : 'fullscreen'"
      @click="onToggle"
    />
  </div>
</template>

<script setup>
import { ref, onMounted, onUnmounted } from 'vue'
import screenfull from 'screenfull'
//是否全屏
const isFullscreen = ref(false)
//监听变化
const change = () => {
  isFullscreen.value = screenfull.isFullscreen
}
//切换事件
const onToggle = () => {
  screenfull.toggle()
}

//设置侦听器
onMounted(() => {
  screenfull.on('change', change)
})
//删除侦听器
onUnmounted(() => {
  screenfull.off('change', change)
})
</script>
<style lang="scss" scoped></style>
